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Only prevent the default browser event handling when the specific event types aren't disabled by the user, patch contributed by Jonas Platte

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This commit is contained in:
Sam Lantinga 2016-09-13 00:09:21 -07:00
parent 993dd83510
commit 00791f3a87
1 changed files with 33 additions and 14 deletions
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47
src/video/emscripten/SDL_emscriptenevents.c
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@ -350,8 +350,10 @@ Emscripten_HandleMouseButton(int eventType, const EmscriptenMouseEvent *mouseEve
default:
return 0;
}
SDL_SendMouseButton(window_data->window, 0, eventType == EMSCRIPTEN_EVENT_MOUSEDOWN ? SDL_PRESSED : SDL_RELEASED, sdl_button);
return 1;
SDL_EventType sdl_event_type = (eventType == EMSCRIPTEN_EVENT_MOUSEDOWN ? SDL_PRESSED : SDL_RELEASED);
SDL_SendMouseButton(window_data->window, 0, sdl_event_type, sdl_button);
return SDL_GetEventState(sdl_event_type) == SDL_ENABLE;
}
EM_BOOL
@ -377,7 +379,7 @@ Emscripten_HandleMouseFocus(int eventType, const EmscriptenMouseEvent *mouseEven
}
SDL_SetMouseFocus(eventType == EMSCRIPTEN_EVENT_MOUSEENTER ? window_data->window : NULL);
return 1;
return SDL_GetEventState(SDL_WINDOWEVENT) == SDL_ENABLE;
}
EM_BOOL
@ -385,7 +387,7 @@ Emscripten_HandleWheel(int eventType, const EmscriptenWheelEvent *wheelEvent, vo
{
SDL_WindowData *window_data = userData;
SDL_SendMouseWheel(window_data->window, 0, wheelEvent->deltaX, -wheelEvent->deltaY, SDL_MOUSEWHEEL_NORMAL);
return 1;
return SDL_GetEventState(SDL_MOUSEWHEEL) == SDL_ENABLE;
}
EM_BOOL
@ -397,8 +399,10 @@ Emscripten_HandleFocus(int eventType, const EmscriptenFocusEvent *wheelEvent, vo
if (eventType == EMSCRIPTEN_EVENT_BLUR) {
SDL_ResetKeyboard();
}
SDL_SendWindowEvent(window_data->window, eventType == EMSCRIPTEN_EVENT_FOCUS ? SDL_WINDOWEVENT_FOCUS_GAINED : SDL_WINDOWEVENT_FOCUS_LOST, 0, 0);
return 1;
return SDL_GetEventState(SDL_WINDOWEVENT) == SDL_ENABLE;
}
EM_BOOL
@ -407,6 +411,7 @@ Emscripten_HandleTouch(int eventType, const EmscriptenTouchEvent *touchEvent, vo
SDL_WindowData *window_data = userData;
int i;
double client_w, client_h;
int preventDefault = 0;
SDL_TouchID deviceId = 1;
if (SDL_AddTouch(deviceId, "") < 0) {
@ -434,22 +439,33 @@ Emscripten_HandleTouch(int eventType, const EmscriptenTouchEvent *touchEvent, vo
SDL_SendMouseButton(window_data->window, SDL_TOUCH_MOUSEID, SDL_PRESSED, SDL_BUTTON_LEFT);
}
SDL_SendTouch(deviceId, id, SDL_TRUE, x, y, 1.0f);
if (!preventDefault && SDL_GetEventState(SDL_FINGERDOWN) == SDL_ENABLE) {
preventDefault = 1;
}
} else if (eventType == EMSCRIPTEN_EVENT_TOUCHMOVE) {
if ((window_data->finger_touching) && (window_data->first_finger == id)) {
SDL_SendMouseMotion(window_data->window, SDL_TOUCH_MOUSEID, 0, x, y);
}
SDL_SendTouchMotion(deviceId, id, x, y, 1.0f);
if (!preventDefault && SDL_GetEventState(SDL_FINGERMOTION) == SDL_ENABLE) {
preventDefault = 1;
}
} else {
if ((window_data->finger_touching) && (window_data->first_finger == id)) {
SDL_SendMouseButton(window_data->window, SDL_TOUCH_MOUSEID, SDL_RELEASED, SDL_BUTTON_LEFT);
window_data->finger_touching = SDL_FALSE;
}
SDL_SendTouch(deviceId, id, SDL_FALSE, x, y, 1.0f);
if (!preventDefault && SDL_GetEventState(SDL_FINGERUP) == SDL_ENABLE) {
preventDefault = 1;
}
}
}
return 1;
return preventDefault;
}
EM_BOOL
@ -479,16 +495,19 @@ Emscripten_HandleKey(int eventType, const EmscriptenKeyboardEvent *keyEvent, voi
break;
}
}
SDL_SendKeyboardKey(eventType == EMSCRIPTEN_EVENT_KEYDOWN ?
SDL_PRESSED : SDL_RELEASED, scancode);
SDL_SendKeyboardKey(eventType == EMSCRIPTEN_EVENT_KEYDOWN ? SDL_PRESSED : SDL_RELEASED, scancode);
}
}
/* if we prevent keydown, we won't get keypress
* also we need to ALWAYS prevent backspace and tab otherwise chrome takes action and does bad navigation UX
SDL_bool prevent_default = SDL_GetEventState(eventType == EMSCRIPTEN_EVENT_KEYDOWN ? SDL_KEYDOWN : SDL_KEYUP) == SDL_ENABLE;
/* if TEXTINPUT events are enabled we can't prevent keydown or we won't get keypress
* we need to ALWAYS prevent backspace and tab otherwise chrome takes action and does bad navigation UX
*/
return SDL_GetEventState(SDL_TEXTINPUT) != SDL_ENABLE || eventType != EMSCRIPTEN_EVENT_KEYDOWN
|| keyEvent->keyCode == 8 /* backspace */ || keyEvent->keyCode == 9 /* tab */;
if (eventType == EMSCRIPTEN_EVENT_KEYDOWN && SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE && keyEvent->keyCode != 8 /* backspace */ && keyEvent->keyCode != 9 /* tab */)
prevent_default = SDL_FALSE;
return prevent_default;
}
EM_BOOL
@ -498,7 +517,7 @@ Emscripten_HandleKeyPress(int eventType, const EmscriptenKeyboardEvent *keyEvent
if (Emscripten_ConvertUTF32toUTF8(keyEvent->charCode, text)) {
SDL_SendKeyboardText(text);
}
return 1;
return SDL_GetEventState(SDL_TEXTINPUT) == SDL_ENABLE;
}
EM_BOOL